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By Dorothy D. on 10/13/22
David figured out how to unlock my thermostat. It has a PASSWORD! Why? He was very clever and learned hot to unlock it.
By Patty on 01/23/22
I have used Shavitz for many years & trust them to not only show up in an emergency but to be professional, knowledgeable & always on time. When my furnace died early on a Sunday, they responded. The tech, Elia, replaced my thermostat & my heat was back on. However...
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I have used Shavitz for many years & trust them to not only show up in an emergency but to be professional, knowledgeable & always on time. When my furnace died early on a Sunday, they responded. The tech, Elia, replaced my thermostat & my heat was back on. However, the furnace needed to be replaced. The Project Mgr. Krzysztof Kowal came over later that day & he was very helpful & knowledgeable as he explained the different furnaces. A new one was installed 3 days later by team Jonathan & Tim. Also both professional, knowledgeable & diligent. Worked non stop 6 hours!! They were careful coming in & out of house & cleaned up post installation so thoroughly that you couldn’t tell they were here. How could anyone Not use Shavitz. Thank you all
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By Nanette S. on 11/11/21
Installation men were very efficient and cleaned up the entire furnace room when they were finished.Kristof was excellent as our consultant on the available heating furnace products. He made a special trip back to our house to show us how the programable thermostat...
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Installation men were very efficient and cleaned up the entire furnace room when they were finished.Kristof was excellent as our consultant on the available heating furnace products. He made a special trip back to our house to show us how the programable thermostat works. We were very pleased with the work and personnel .
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By Dennis P. on 11/10/21
Shawn B did an excellent job of tune up for my boiler. He was courteous, knowlegeable and explained all he did and the results of his work as well as the curent state of the boiler. I recommend him highly.
By Dorothy D. on 10/15/21
Great service! On time with phone call to announce arrival. Professional and thorough service. I was pleased that Sam explained everything.
By Dorothy D. on 10/15/21
Great service! On time with phone call to announce arrival. Professional and thorough service. I was pleased that Sam explained everything.
By Gary M. on 02/05/21
Shavitz has provided excellent service for our HVAC system. The technicians are knowledgeable, courteous, thorough and very professional.
By Karen F. on 12/08/20
Shavitz Heating and Air just installed a new boiler in our home. The overall experience was excellent. It was a pleasure working with Ryan S. He was very professional, thorough, and responsive. I was particularly impressed that Ryan was present at the start of the ...
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Shavitz Heating and Air just installed a new boiler in our home. The overall experience was excellent. It was a pleasure working with Ryan S. He was very professional, thorough, and responsive. I was particularly impressed that Ryan was present at the start of the installation. He explained everything to me and carefully reviewed the job with the installers. Ernie L., the lead installation specialist, was outstanding! Ernie was meticulous through the entire installation process. After the installation, Ernie took the time to go over the mechanics of the new boiler and the operation of our new thermostats. He patiently answered all of my questions. I was also very impressed with all of the Shavitz employees' attention and adherence to all COVID safety protocols and standards! Shavitz will definitely be our go to provider for all future HVAC needs.
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By Ger W. on 12/01/20
Alex H was one of the best service techs I've ever had in any regard. I expected him to be thorough servicing my electric furnace because Shavitz reps have never disappointed in providing the maintenance needed. Alex was especially great in discussing variable opti...
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Alex H was one of the best service techs I've ever had in any regard. I expected him to be thorough servicing my electric furnace because Shavitz reps have never disappointed in providing the maintenance needed. Alex was especially great in discussing variable options to help me with my heat. He was so very informative and knowledgeable, plus personable. Great experience all around. Thanks Shavitz
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By Todd S. on 11/26/20
David D, was a first class professional who saved the day for us on Thanksgiving! Came out right away, explained everything and made a stressful situation manageable! 100% recommend David D. and Shavitz for all your needs. First class individual and technician!
By Kenneth Y. on 11/11/20
Henry S provided top notch, quality service. Excellent craftsmanship and knowledgeable profession. Thank you Henry!
By Travis S. on 10/29/20
no comment
By ADNA L. on 10/20/20
Great service from David. Very Knowledgeable, explaining step by step his work, offering solutions and tips. Even gave us tips on how to use a mix of water and vinegar to keep the water catcher clean. Excellent service, very courteous, very mindful with putting h...
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Great service from David. Very Knowledgeable, explaining step by step his work, offering solutions and tips. Even gave us tips on how to use a mix of water and vinegar to keep the water catcher clean. Excellent service, very courteous, very mindful with putting his shoe protection on, and kept his mask on at all times. Shavitz never fails me.
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By Jo Ellen M. on 10/05/20
Today Krzysztof and Nathan from Shavitz Heating and AC serviced my equipment. Two super nice, tidy, knowledgeable young men did an outstanding job on my two units. This is a top notch company with excellent service specialists.
By Janet M. on 09/28/20
David D. was very professional, attentive to my questions, and thorough in his answers. I'm pleased that he is the one who will be coming back to handle another furnace matter for me: he explained the problem and suggested solutions so I could decide how I want to handle it.
By Jacquie V. on 09/02/20
The techs were great! Highly recommend!
By William M. on 08/17/20
no comment
By Tim S. on 08/13/20
Have always had a good response time from Shavitz. Today's technician Jose was on time and very complete in analyzing what may have caused our problem and worked to make sure it wasn't a recurring issue.
By Robert M. on 08/06/20
Professional, on time staff.
By Margie D. on 07/30/20
Henry was very professional and knowledgeable, as always. Want all our service with him. Highly recommend.
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(847) 678-1000

Select any employee to see all their reviews.

Cornelius M
Rating:
560 total reviews!
Shawn B
Rating:
248 total reviews!
Craig K
Rating:
(138 total reviews)
Mirek R
Rating:
(96 total reviews)
Cosmin I
Rating:
(87 total reviews)
Krzysztof K
Rating:
(87 total reviews)

* Total number of reviews and star-ratings are based on data collected during the time period Shavitz Heating and AC has been using the ReviewBuzz system and may not directly match the data found on each public review site.

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Cornelius M has a 5-Star rating and leads the company in total reviews, making this pro a ReviewBuzz Rockstar!
560 total reviews
By Travis S. on 10/29/20
no comment
By William M. on 08/17/20
no comment
By Elizabeth on 05/29/20
Seriously if every service person or sales man had the personality and work ethic as Cornelius it would be a better
By JoAnn E. on 11/05/19
Cornelius is the best! He is knowledgeable, professional, and takes the time to explain what he’s done or what is needed.
By Kiyoko B. on 10/04/19
Excellent service.
By Peter B. on 09/10/19
Cornelius performed our annual Maintenance again in a professional and outstanding manner.
By Jay B. on 06/25/19
Cornelius was timely, provided good concise information and courteous.
By Belinda E. on 06/05/19
Prompt, Professional, and Pleasant!
By R K. on 06/05/19
Review Date: Jun 05 2019 7:31 am Customer Name: Lawrence Sprader Employee Name: Garth C. Review Site (click to view): Better Business Bureau
By Sanford W. on 05/22/19
Cornelius M. serviced our AC today, as part of our annual maintenance contract with Shavitz, who we have happily used for nearly 15 years. He is an outstanding technician, like all of Shavitz's techs. He was thorough, efficient and gave me choices about what addi...
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Cornelius M. serviced our AC today, as part of our annual maintenance contract with Shavitz, who we have happily used for nearly 15 years. He is an outstanding technician, like all of Shavitz's techs. He was thorough, efficient and gave me choices about what additional service and parts we needed, explaining the reasons why. He makes sure that no dirt is dragged into our house and cleans up afterwards. Enjoyed talking to him as well. We appreciate Shavitz and Cornelius and unequivocally recommend them to all our friends in Skokie.
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By Sue N. on 05/12/19
We have used Shavitz for years and they have never failed to provide excellent service. The most recent service visit was on May 9. The technician was Cornelius M. He was courteous, competent, and efficient. At the beginning of the visit, he explained in easy to...
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We have used Shavitz for years and they have never failed to provide excellent service. The most recent service visit was on May 9. The technician was Cornelius M. He was courteous, competent, and efficient. At the beginning of the visit, he explained in easy to understand terms what he be doing and at the end, he explained what he had found, i.e. no problems and reviewed his work. He also arranged with the office to make our next appointment. He was outstanding and I would be delighted to have him provide service to us again.
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By david r. on 04/30/19
Cornelius has been my service technition for the last two heating and cooling seasons. He has been thorough, professional, knows what he is doing and made suggestions that made sense. He recently suggested something that I said I would think about and he said fine....
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Cornelius has been my service technition for the last two heating and cooling seasons. He has been thorough, professional, knows what he is doing and made suggestions that made sense. He recently suggested something that I said I would think about and he said fine. No pushing. I am very pleased to have him as my heat and cooling professional.
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By Robert G. on 04/30/19
Shavitz was awesome - lousy rainy weather so they kept me informed with regular calls on the appointment status (had to work outside on compressor). Cornelius M., service technician, is a great guy. Did not push equipment, despite my unit being from 1994. Explai...
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Shavitz was awesome - lousy rainy weather so they kept me informed with regular calls on the appointment status (had to work outside on compressor). Cornelius M., service technician, is a great guy. Did not push equipment, despite my unit being from 1994. Explained everything, was fast, efficient, knowledgeable, and personable. These are people you can trust, and I've had more than few that you can't! If you need something fixed or regular maintenance, my highest recommendation.
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By Peter M. on 04/03/19
I've been a loyal Shavitz Heating customer for many years and they never disappoint. From scheduling on everyone I interacted with was pleasant, professional and courteous. Cornelius M. came out to troubleshoot and fix my heating boiler and quickly diagnosed the pr...
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I've been a loyal Shavitz Heating customer for many years and they never disappoint. From scheduling on everyone I interacted with was pleasant, professional and courteous. Cornelius M. came out to troubleshoot and fix my heating boiler and quickly diagnosed the problem and had the part on his truck. Boom...Done! Thanks!
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By Julie M. on 04/02/19
Shavitz is a great company with great service, great technicians - especially Jose and Cornelius M who completed a big job, successfully and on time at our home. They are very reasonably priced.
By Jason F. on 03/14/19
Cornelius addressed a recurring boiler issue, discovering an installation that had been previously done in a way that wasn't sustainable. He quickly diagnosed the issue, and worked diligently for two hours to rebuild a part of the boiler and resolve the issue. He w...
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Cornelius addressed a recurring boiler issue, discovering an installation that had been previously done in a way that wasn't sustainable. He quickly diagnosed the issue, and worked diligently for two hours to rebuild a part of the boiler and resolve the issue. He was professional, communicative, and ultimately, a
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By Nate C. on 02/27/19
Cornelius was so professional and kind. Clear communication on my furnace issues. While he was systematic and precise at inspecting my unit, he discovered a solution that was better than what I could have asked or imagined. Thankful that I can trust Cornelius and S...
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Cornelius was so professional and kind. Clear communication on my furnace issues. While he was systematic and precise at inspecting my unit, he discovered a solution that was better than what I could have asked or imagined. Thankful that I can trust Cornelius and Shavitz Heating and AC to maintain my hvac!
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By Leonidas K. on 02/13/19
As a professional engineer , I found this service engineer, Craig K., very professional, knowledgeable, and through. He did a great job in repairing my 30 year old gas furnace.
By Donna O. on 02/12/19
Alex H. did a great job diagnosing the issue with the issue we were having with our a/c at our business and provided excellent recommendations concerning the work needed on our compressor. True professionalism!
By Allen H. on 02/08/19
Cornelius and Nate are the best! Prompt, efficient, effective, good communicators, too.
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